package com.cskaoyan.day1.generic5;

/**
 * @author Common-zhou
 * @since 2023-02-27 11:20
 */
public class Father<E> {
    E ft;
}

class Son1 extends Father {

}

class Son2 extends Father<String> {

}

class Son3<E> extends Father<Integer>{}


class Son4<E> extends Father<E>{}
class Son5<T> extends Father<T>{}
